diff options
Diffstat (limited to 'src/libs/7zip/unix/CPP/7zip/Compress/ArjDecoder2.cpp')
-rw-r--r-- | src/libs/7zip/unix/CPP/7zip/Compress/ArjDecoder2.cpp | 90 |
1 files changed, 0 insertions, 90 deletions
diff --git a/src/libs/7zip/unix/CPP/7zip/Compress/ArjDecoder2.cpp b/src/libs/7zip/unix/CPP/7zip/Compress/ArjDecoder2.cpp deleted file mode 100644 index 365993bc5..000000000 --- a/src/libs/7zip/unix/CPP/7zip/Compress/ArjDecoder2.cpp +++ /dev/null @@ -1,90 +0,0 @@ -// ArjDecoder2.cpp - -#include "StdAfx.h" - -#include "ArjDecoder2.h" - -namespace NCompress{ -namespace NArj { -namespace NDecoder2 { - -static const UInt32 kHistorySize = 26624; -static const UInt32 kMatchMinLen = 3; - -HRESULT CCoder::CodeReal(ISequentialInStream *inStream, ISequentialOutStream *outStream, - const UInt64 * /* inSize */, const UInt64 *outSize, ICompressProgressInfo * /* progress */) -{ - if (outSize == NULL) - return E_INVALIDARG; - - if (!m_OutWindowStream.Create(kHistorySize)) - return E_OUTOFMEMORY; - if (!m_InBitStream.Create(1 << 20)) - return E_OUTOFMEMORY; - - UInt64 pos = 0; - m_OutWindowStream.SetStream(outStream); - m_OutWindowStream.Init(false); - m_InBitStream.SetStream(inStream); - m_InBitStream.Init(); - CCoderReleaser coderReleaser(this); - - while(pos < *outSize) - { - const UInt32 kStartWidth = 0; - const UInt32 kStopWidth = 7; - UInt32 power = 1 << kStartWidth; - UInt32 width; - UInt32 len = 0; - for (width = kStartWidth; width < kStopWidth; width++) - { - if (m_InBitStream.ReadBits(1) == 0) - break; - len += power; - power <<= 1; - } - if (width != 0) - len += m_InBitStream.ReadBits(width); - if (len == 0) - { - m_OutWindowStream.PutByte((Byte)m_InBitStream.ReadBits(8)); - pos++; - continue; - } - else - { - len = len - 1 + kMatchMinLen; - const UInt32 kStartWidth = 9; - const UInt32 kStopWidth = 13; - UInt32 power = 1 << kStartWidth; - UInt32 width; - UInt32 distance = 0; - for (width = kStartWidth; width < kStopWidth; width++) - { - if (m_InBitStream.ReadBits(1) == 0) - break; - distance += power; - power <<= 1; - } - if (width != 0) - distance += m_InBitStream.ReadBits(width); - if (distance >= pos) - return S_FALSE; - m_OutWindowStream.CopyBlock(distance, len); - pos += len; - } - } - coderReleaser.NeedFlush = false; - return m_OutWindowStream.Flush(); -} - -STDMETHODIMP CCoder::Code(ISequentialInStream *inStream, ISequentialOutStream *outStream, - const UInt64 *inSize, const UInt64 *outSize, ICompressProgressInfo *progress) -{ - try { return CodeReal(inStream, outStream, inSize, outSize, progress);} - catch(const CInBufferException &e) { return e.ErrorCode; } - catch(const CLzOutWindowException &e) { return e.ErrorCode; } - catch(...) { return S_FALSE; } -} - -}}} |